{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["Disease", "Chemical"], "input": "Male CD - 1 mice were treated with warfarin ( 2 mg / kg over 24 h ) , resulting in a mean ( + / - s . d . ) International Normalized Ratio of 3 . 5 + / - 0 . 9 ."}
{"Disease": [], "Chemical": ["warfarin"]}